I'm in the position to make security policies at work, and one of them is that no smart glasses are allowed in the office. We will not be having workers aiming Facebook glasses at our screens showing confidential information. And along those lines, I can think of damn few scenarios where I'd be OK with someone using face recognition against me. Restaurants? It's not Facebook's business to know where I like to eat, pr…
There's a second-amendment-like argument here, imo, that is very hard to push back on - because at least this stuff doesn't kill people. I want every cop to be surrounded by five or six recording devices that they don't control at all times - it's the least worst option.
(Obviously I'm not a fan of the "everying goes to facebook" architecture. I'm hoping we get past that).